1. West Nile virus infection in horses, Indian ocean
- Author
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Mahmad Reshad Jaumally, Camille Bernard, M. Roger, Marie-Marie Olive, Julie Ravaomanana, Catherine Cetre-Sossah, Stéphan Zientara, Sylvie Lecollinet, Jimmie Melanie, Eric Cardinale, Deodass Meenowa, Vincent Michel Rakotoharinome, Jean-Michel Heraud, Animal, Santé, Territoires, Risques et Ecosystèmes (UMR ASTRE), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut National de la Recherche Agronomique (INRA), Virologie UMR1161 (VIRO), Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail (ANSES)-Institut National de la Recherche Agronomique (INRA)-École nationale vétérinaire d'Alfort (ENVA), Direction des Services Vétérinaires, Ministère de l'Agriculture, l'Elevage, la Pêche, Centre National de la Recherche Appliquée au Développement Rural, Ministère des Agro-Industries, Ministère de l’Agriculture et des Ressources Marines, Unité de Virologie [Antananarivo, Madagascar] (IPM), Institut Pasteur de Madagascar, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP), This study was conducted in connection with AnimalRisk/TROI, a research program on emerging animal diseases in the Indian Ocean, funded by FEDER POCT (European Union, Regional Council of Reunion and French government) under the DP One Health-OI., École nationale vétérinaire d'Alfort (ENVA)-Institut National de la Recherche Agronomique (INRA)-Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail (ANSES), and Centre National de Recherche Appliquée au Développement Rural (FOFIFA)
- Subjects
Antibody prevalence ,Veterinary medicine ,viruses ,medicine.disease_cause ,Antibodies, Viral ,L73 - Maladies des animaux ,0403 veterinary science ,0302 clinical medicine ,[SDV.MHEP.MI]Life Sciences [q-bio]/Human health and pathology/Infectious diseases ,Seroepidemiologic Studies ,Immunology and Allergy ,Indian Ocean ,[SDV.MHEP.ME]Life Sciences [q-bio]/Human health and pathology/Emerging diseases ,biology ,Transmission (medicine) ,virus diseases ,04 agricultural and veterinary sciences ,General Medicine ,3. Good health ,Épidémiologie ,Flavivirus ,Infectious Diseases ,[SDV.MP.VIR]Life Sciences [q-bio]/Microbiology and Parasitology/Virology ,West Nile virus ,geographic locations ,Genre humain ,040301 veterinary sciences ,030231 tropical medicine ,Immunology ,Enzyme-Linked Immunosorbent Assay ,Microbiology ,Virus des animaux ,Sérologie ,03 medical and health sciences ,Neutralization Tests ,biology.animal ,medicine ,Seroprevalence ,Animals ,Humans ,Horses ,Transmission des maladies ,West Nile Virus Infection ,General Veterinary ,Animal ,[SDV.BBM.BM]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology ,Equidae ,Morbidité ,biology.organism_classification ,nervous system diseases ,Indian ocean ,Enquête pathologique ,[SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie ,Horse Diseases ,West Nile Fever ,Cheval - Abstract
International audience; The circulation of West Nile virus (WNV) in horses was investigated in the Southwest Indian ocean. In 2010, blood samples were collected from a total of 303 horses originating from Madagascar, Mauritius, Reunion and the Seychelles and tested for WNV-specific antibodies. An overall seroprevalence of 27.39% was detected in the Indian Ocean with the highest WNV antibody prevalence of 46.22% (95% CI: [37.4–55.2%]) in Madagascar. The age and origin of the horses were found to be associated with the WNV infection risk. This paper presents the first seroprevalence study investigating WN fever in horses in the Southwest Indian Ocean area and indicates a potential risk of infection for humans and animals. In order to gain a better understanding of WN transmission cycles, WNV surveillance needs to be implemented in each of the countries.
- Published
- 2017
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